{ "CVE_data_meta": { "AKA": "Zoom Communications Inc", "ASSIGNER": "security@zoom.us", "DATE_PUBLIC": "2021-11-12T17:00:00.000Z", "ID": "CVE-2021-34422", "STATE": "PUBLIC", "TITLE": "Path traversal of file names in Keybase Client for Windows" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Keybase Client for Windows", "version": { "version_data": [ { "version_affected": "<", "version_value": "5.7.0" } ] } } ] }, "vendor_name": "Zoom Video Communications Inc" } ] } }, "credit": [ { "lang": "eng", "value": "m4t35z" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The Keybase Client for Windows before version 5.7.0 contains a path traversal vulnerability when checking the name of a file uploaded to a team folder. A malicious user could upload a file to a shared folder with a specially crafted file name which could allow a user to execute an application which was not intended on their host machine. If a malicious user leveraged this issue with the public folder sharing feature of the Keybase client, this could lead to remote code execution." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Relative Path Traversal" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://explore.zoom.us/en/trust/security/security-bulletin", "name": "https://explore.zoom.us/en/trust/security/security-bulletin" } ] }, "source": { "discovery": "USER" } }